UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WHPG29gLfLjCUWcHnixwtLJEh3OjzWo594ajrZG6Y+8=' 
WHERE 
  key_id = '2e1c50680f887431a59c23ce52fffa935bd4d326a74ada393007bb852631c7b8' 
  AND (
    token = 'WHPG29gLfLjCUWcHnixwtLJEh3OjzWo594ajrZG6Y+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )