UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rc5WF4Z7Zh3jEXLbMgkpjtN8tNGFTkBUhKZR/DMpZcE=' 
WHERE 
  key_id = 'd89fc6cb3704681c81073f3032cd5b3a0dc6e8a38af2f6fabf763255d0547155' 
  AND (
    token = 'rc5WF4Z7Zh3jEXLbMgkpjtN8tNGFTkBUhKZR/DMpZcE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020