Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b0780cfa18bee7b5786f23ba0b95292ca3e855dcb983c1d683157d057217412e' 
  AND token = 'sVp5ixN70POHax9T3yUahUG+gcPXW0Y3HRpBq+kv7ws=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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