UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MxnDzJ2Qly44hP/C1LMlUTjMqPfhj6wxKo9lzwFm+fM=' 
WHERE 
  key_id = 'c2b33d44500e3f65f870074fc913bdab205b15df5ef8588e70313b32b8abffe2' 
  AND (
    token = 'MxnDzJ2Qly44hP/C1LMlUTjMqPfhj6wxKo9lzwFm+fM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )