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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '4bf5e76d2a6c087532cd6b30ded4c601cf14fbf61b9e797a4bd766d116e95607' 
  AND token = 'koIM157RA1HzcKFPIWHO3at0tbJV1OfesLwJYlEF9fA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}