UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i4sEBhwctlXvWSeExOVZqj44L9uYHo84Xx8j2hJlpyo=' 
WHERE 
  key_id = '1a511a34ec9c3630e2626e4e1f9338defe5ac35a093174291d9f340ccacc5e3e' 
  AND (
    token = 'i4sEBhwctlXvWSeExOVZqj44L9uYHo84Xx8j2hJlpyo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )