UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nk/a/HwoZyy7mTLpc8jUeWw+uYySfw7dzXSRkecKgwA=' 
WHERE 
  key_id = '955452de88a60f1c4b4ee27edb00c3c2c7ffc0cea49fffbf27c96b33d37bf4b5' 
  AND (
    token = 'nk/a/HwoZyy7mTLpc8jUeWw+uYySfw7dzXSRkecKgwA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )