INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7b8c5503f8917338d475c070371f2df797b932570d29aad70acedfbe600d5e8e', 
    '+qbjs5btl8DLusJPI6zf7idRcSLSzzd9RDGhdXdasKs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)