UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i9Qd7bT3mc77zZpeetvMHeo3ts7Lb8kVmk/fHzLew5E=' 
WHERE 
  key_id = '4a646461b3171f18b551f1e51e0a4a99a8161dd736ba27b0c589ce2887fe8019' 
  AND (
    token = 'i9Qd7bT3mc77zZpeetvMHeo3ts7Lb8kVmk/fHzLew5E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )