UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6wlyPZ3EZfwlqI+4dos9/fU/M7aUihqsLEYhXbMn+s=' 
WHERE 
  key_id = '999f86591965c8820d9496654e59c4e40e6fef4ad03abac455520d4493586e48' 
  AND (
    token = 'r6wlyPZ3EZfwlqI+4dos9/fU/M7aUihqsLEYhXbMn+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )