UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xuFnQAOGAzv5zRgPWdIXv6Z+r5eVoxybgaTymI75pjs=' 
WHERE 
  key_id = '6fcf9c75382de07b68c738745fbf12f8157cf64880345a6e70cea637e53f52dd' 
  AND (
    token = 'xuFnQAOGAzv5zRgPWdIXv6Z+r5eVoxybgaTymI75pjs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )