UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VrepU2U+oOxHM4S0pMe1h64GYe/WlouGTaGljUp4ERE=' 
WHERE 
  key_id = 'e92698597dcaebf104f4c05855a03da927a1c036a964285cf6efcb3113bde404' 
  AND (
    token = 'VrepU2U+oOxHM4S0pMe1h64GYe/WlouGTaGljUp4ERE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )