UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JM+zaX4wH+Tx/ZwbBCkeCjyIY5r/bKquZjyKpjmgAxc=' 
WHERE 
  key_id = '6ccd27af977484d1be27626d7fe31158e3cd7babf63b17cc1075674d582b2f62' 
  AND (
    token = 'JM+zaX4wH+Tx/ZwbBCkeCjyIY5r/bKquZjyKpjmgAxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )