INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50c968385f9e593002ac4b38a597edc957866be56d7fb211086600c3f02d84db', 
    'DtNgwQA1JNwwmFAWU3ja6ZxcPQXS0TflfsfQlRo4XSg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)