UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'F3aPFF9f1rH+7akAuG/MW8Yn0a7ol84Q4A+zposPGoc=' 
WHERE 
  key_id = '42437cc1c50bb79ee17f4d4e635ac5c9527f83caad35021fd24ca6e3fdc8374b' 
  AND (
    token = 'F3aPFF9f1rH+7akAuG/MW8Yn0a7ol84Q4A+zposPGoc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021