UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u+AJgcmzFjYDvWObbFqA84+4b5MC7vzvuwN8yM3WQus=' 
WHERE 
  key_id = 'a4612dde7e3902c0b1f465dfa920673254f321be008e43fbf73696350ebf7c6c' 
  AND (
    token = 'u+AJgcmzFjYDvWObbFqA84+4b5MC7vzvuwN8yM3WQus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )