UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'REv2GbAkxf+4wW0a5Z/ak4FNRhuD6gYhzX2qE4iyc0o=' 
WHERE 
  key_id = '74cfa3ea9eb98909e7703de7af1a88e6ba34b891e60497c22abb0c443e461b1b' 
  AND (
    token = 'REv2GbAkxf+4wW0a5Z/ak4FNRhuD6gYhzX2qE4iyc0o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )