UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LLVtTQGP6vyalngvyN6y/50RbxHmWOxLATF+uCJPtAQ=' 
WHERE 
  key_id = 'b0e745f839b3c31780e3130886aa1e5cea67951c4832ac075de17b4252f0014a' 
  AND (
    token = 'LLVtTQGP6vyalngvyN6y/50RbxHmWOxLATF+uCJPtAQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )