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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1522d25f0df9a4bc994c629a2025f56bd23cf0204fb0494fe7b6c0cbe9771e42' 
  AND token = 'uAF7Ke5IqZlnQJLDGImpEoRo6ZxjNokskneI2PYxY+k=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

JSON explain

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