Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'fc1a1a0c2284e30c7b00f610bbe4b1829c8e5b391a1aabc43fc80dc4dec154b4' 
  AND token = 'fZ1VCvvuzSJDKp1YDr4sg/c77Jg6zti/hszZ19giekE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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