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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bfa697d7b97b3cfc565983f955e85480a4ad2f2c7ff4822b61b1aa2f06b58ea7' 
  AND token = 'Q1xPyrgM692b2v9Tkw38KVUAaRL5uyv2ESm1737CUY8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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