UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uRMQszyyqf86QU5hrhze7hIs+UM4zdEEmcSNw7dc7Qo=' 
WHERE 
  key_id = 'b8d81c0ab98bec0b82a10d8d85030585ba0e688c6f90585877b0393df87c785f' 
  AND (
    token = 'uRMQszyyqf86QU5hrhze7hIs+UM4zdEEmcSNw7dc7Qo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )